Thousands of Libyans celebrate the second anniversary of the Libyan uprising at Martyrs' Square in Tripoli on Feb. 17, 2013.

Libyans release lanterns into the air at Nasr Square during the second anniversary of the uprising that toppled longtime dictator Moammar Gadhafi in Benghazi on Feb 17.

People stand near a burnt car at the U.S. consulate, which was attacked and set on fire by gunmen yesterday, in Benghazi on Sept. 12. Christopher Stevens, the U.S. ambassador to Libya, and three embassy staff were killed as they rushed away from the consulate building, stormed by al Qaeda-linked gunmen blaming America for a film that they said insulted the Prophet Mohammad. Stevens was trying to leave the consulate building for a safer location as part of an evacuation when gunmen launched an intense attack, apparently forcing security personnel to withdraw.

An interior view of the U.S. consulate, which was attacked and set on fire by gunmen yesterday, in Benghazi on Sept. 12.

An exterior view of the U.S. consulate, which was attacked and set on fire by gunmen yesterday, in Benghazi on Sept. 12.

An interior view of the damage at the U.S. consulate, which was attacked and set on fire by gunmen yesterday, in Benghazi on Sept. 12.

U.S. President Barack Obama makes a statement in response to the attack at the U.S. Consulate in Libya as Secretary of State Hillary Clinton looks on Sept. 12 at the Rose Garden of the White House in Washington, DC.

A displaced Libyan Tawargha woman cries during an interview in a refugee camp at the outskirts of Benghazi on March 7, 2012.

A displaced Libyan Tawargha woman walks through a refugee camp in the outskirts of Benghazi on March 7, 2012.

Displaced Libyan Tawargha men pray at a mosque in a refugee camp at the outskirts of Benghazi, Libya on March 7, 2012.

A displaced Libyan Tawargha tobacco store owner works in a refugee camp at the outskirts of Benghazi on March 7, 2012.

Libyan men carry coffins of victims, discovered in a mass grave, at a funeral in Benghazi, Libya on Monday. Thousands of mourners gathered Monday in the eastern Libyan city of Benghazi to bury 155 bodies unearthed from a mass grave of people were killed during last year's civil war. It was the largest grave yet to be discovered from the conflict that began as a popular uprising and ended with the capture and killing of Libyan leader Moammar Gadhafi last October.

A woman holding a picture of a missing relative cries during a funeral in Benghazi.

Men pray around the coffins of dead rebel soldiers in Benghazi on Monday. The bodies of around 160 rebel soldiers were found in a mass grave in Bin Jawad, the site of fierce battles during last year's uprising.

Libyan men bury bodies, discovered in a mass grave, at a funeral in Benghazi.

A Libyan man prays for a relative, one of many discovered in a mass grave, at a funeral in Benghazi.

A child points at pictures of people killed during last year's uprising.

An empty playground is seen at the rebel-held town of Benghazi, Libya, Monday, Aug. 22. World leaders said Monday the end is near for Moammar Gadhafi's regime and began looking at Libya's future without the man who has held power there for 42 years.

Razain Rayen, 2, right, plays with her twin sister Sofia Rayenat, at the seaside of the rebel-held town of Benghazi, Libya, Monday, Aug. 22.

Libyan children sit on a tank while waving Kingdom of Libya flags near the court house in Benghazi August 22.

A Libyan man holds a flair on top of a building in Freedom Square as thousands of Libyans celebrate the arrest of Kadhafi's son Seif al-Islam and the partial fall of Tripoli into the hands of Libyan rebels on Aug. 21, in Benghazi, Libya.

Thousands of Libyans celebrate the arrest of Kadhafi's son, Seif al-Islam, and the partial fall of Tripoli into the hands of Libyan rebels on Aug. 21, in Benghazi, Libya. Libyan rebels have reached the highly symbolic Green Square in the center of Tripoli, Sky News said early on Aug. 22, showing scenes of jubilant crowds gathered there. Young men, many waving the red, black and green flag of anti-regime forces, were shouting and dancing in obvious joy, shouting Allahu Akbar (God is greatest) and some firing rifles into the air. As many of the men flashed V-for-victory signs and shouted "tell Moamer (Kadhafi) and his sons that Libya has men," a Sky correspondent said people were lighting fires with posters of the Libyan strongman and the solid green flag of the regime that they had torn down.